WorksheetsDigestive & Excretory Systems
Total questions: 50
Worksheet time: 35mins
Name
Class
Date
1.
What is not a function of the digestive system?
a)
Create new foods
b)
Absorb water
c)
Process waste
2.
What begins the process of mechanical breakdown?
a)
the mouth
b)
the esophagus
c)
the pancreas
3.
What begins the process of chemical breakdown?
a)
Liver
b)
Salivary glands
c)
Colon
4.
What starts the process of chemical breakdown?
a)
Saliva
b)
Oxygen
c)
Hydrogen
5.
What pushes food from the mouth to the stomach?
a)
Stomach
b)
Gall bladder
c)
Esophagus
6.
What churns food and breaks it down further using strong acids?
a)
Stomach
b)
Salivary glands
c)
Liver
7.
Where does most digestion occur?
a)
Stomach
b)
Salivary gland
c)
Small intestine
8.
What produces chemicals that break down fats, starches and proteins?
a)
Pulmonary artery
b)
Pancreas
c)
Pituitary gland
9.
What stores bile?
a)
Colon
b)
Gall Bladder
c)
Small Intestine
10.
What produces the bile used to break down fats?
a)
Liver
b)
Large Intestine
c)
Mouth
11.
What absorbs water and minerals and holds waste?
a)
Large Intestine (Colon)
b)
Small Intestine
c)
Gall Bladder
12.
What is the function of the Ureter?
a)
Carries urine from the kidney to the urinary bladder.
b)
Tiny finger-like projections in the Small Intestine
c)
Absorbs water and minerals and holds waste
13.
What is the function of the bladder?
a)
Push out excess waste
b)
Create and absorb excess waste to be regulated
c)
Collect urine from the kidneys before disposal by urination
14.
What is the urethra?
a)
The tube that allows urine to pass out of the body
b)
Collects urine from the kidneys
c)
Carries urine to the urinary bladder
15.
Which of the following is NOT an example of CHEMICAL digestion?
a)
chewing your food into small pieces
b)
stomach acid dissolving food
c)
bile breaking down fats in the small intestine
d)
salvia changing starch into sugar in your mouth
16.
After dinner, you have a bad case of diarrhea. Which organ is most likely not functioning properly?
a)
stomach
b)
small intestine
c)
large intestine
d)
liver
17.
Which of the following is the correct order of the digestive tract?
a)
mouth, esophagus, small intestine, stomach, large intestine, rectum/anus
b)
mouth, stomach, esophagus, small intestine, large intestine, rectum/anus
c)
mouth, esophagus, stomach, small intestine, large intestine, rectum/anus
d)
mouth, esophagus, large intestine, small intestine, rectum/anus
18.
How does food move through your digestive system?
a)
by gravity pulling it down
b)
when we eat more food, it forces the rest down
c)
muscle movements called peristalsis
d)
electromagnetic force
19.
Where does most chemical digestion take place?
a)
stomach
b)
small intestine
c)
mouth
d)
large intestine
20.
What happens to unused food materials in the digestive system?
a)
They are stored in the rectum and released through the anus
b)
They are recycled back to the stomach to get reprocessed
c)
There are no unused materials, the digestive system absorbs all food nutrients
d)
They are stored in the large intestine until we need them
21.
What is the definition for digestion?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
22.
The muscular tube that moves food from the mouth to the stomach?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
23.
Where are nutrients absorbed into the blood?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
24.
The organ where food is mashed and then broken down by acids?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
25.
Where extra water and minerals are absorbed through the cells of this organ ...
a)
liver
b)
small intestine
c)
stomach
d)
large intestine
26.
Food broken down by physical processes is called
a)
mechanical digestion
b)
chemical digestion
27.
Food broken down by chemicals is called
a)
mechanical digestion
b)
chemical digestion
28.
Which organ is made of three layers of muscles that continue mechanical digestion?
a)
stomach
b)
liver
c)
anus
d)
esophagus
29.
Digestion in animals begins in the ______.
a)
intestines
b)
mouth
c)
stomach
d)
throat
30.
What is the short tube that stores solid waste until it is eliminated from the body through the anus?
a)
rectum
b)
liver
c)
esophagus
d)
stomach
31.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
32.
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a)
ureters
b)
urethra
c)
urinary bladder
d)
urea
33.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
34.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
35.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)
remove urea and excess water
d)
play a role in gas exchange
36.
The process of removal of the body’s wastes is called
a)
gas exchange.
b)
respiration.
c)
excretion.
d)
filtration.
37.
Using the picture, what is the structure of A?
a)
ureter
b)
kidney
c)
urinary bladder
d)
urethra
38.
Using the picture, what is the function of structure A?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
39.
Using the picture, what is the function of structure C?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
40.
Using the picture, what is the function of structure D?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
41.
Use the diagram, what is structure B?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
42.
Use the diagram, what is structure C?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
43.
Use the diagram, what is structure D?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
44.
Urine flows out of the kidneys through narrow tubes called
a)
Gallbladder
b)
Ureter
c)
Nephrons
d)
Urethra
45.
What is #2?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
46.
What is #3?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
47.
What is #4?
a)
Kidney
b)
Ureter
c)
Bladder
d)
Urethra
48.
What is #1?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
49.
Where does digestion begin?
a)
Mouth
b)
Stomach
c)
Kidneys
50.
What is the main function of the digestive system?
a)
to filter blood
b)
to break down food and absorb nutrients
c)
to send chemicals messages
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